BackClub history 2 of 5
2. Irish Internationals
Senior Womens internationals
| Irish Intl No. | Name | Club | Years | Intl CAPS |
| Nuala Stanley (GK) | Railway Union | 1964-65 | 2 | |
| Ciara O'Brien | UCD | |||
| Emma Smyth | Railway Union | |||
| Kate Dillon | Railway Union | |||
| Kate Lloyd | Railway Union | |||
| Zara Delany | Railway Union | |||
| Grace O’Flanagan | Railway Union | |||
| Julia O’Halloran | Railway Union | |||
| Jean McDonnell | Railway Union | |||
| Sinead Dooley | Railway Union | |||
| Sarah Hawkshaw | Railway Union | 2019- | ||
| Amy Elliott | Railway Union | 2019- | ||
| Former Senior International Umpires | ||||
| Grace Redmond | ||||
| Hilary O’Reilly | ||||
| Former Senior International Coaches & Managers | ||||
Senior Mens internationals
Railway Union Hockey Club Mens Internationals
| Irish Intl No. | Name | Club | Years | Intl CAPS |
| 55 | Peterson, J. | Palmerstown/Railway Union | 1901 to 1914 | 20 |
| 150 | Williams, J. | Railway Union | 1914 | 1 |
| 182 | Sully, C. | Railway Union | 1923 to 1925 | 15 |
| 188 | Sully, V. | Railway Union | 1924 to 1932 | 9 |
| 190 | Peatt, J.N. | Leinster/Railway Union | 1925 to 1932 | 7 |
| 207 | O'Donnoghue, M.C. | Railway Union | 1930 to 1931 | 6 |
| 221 | Byrne, R.J. | Railway Union | 1934 | 1 |
| 247 | Lonergan, T.R. | Railway Union/Leinster | 1947 to 1950 | 11 |
| 257 | Leopold, C. | Railway Union | 1949 | 1 |
| 264 | O'Maillie, C. | Railway Union | 1950 to 1954 | 16 |
| 277 | Murphy, D. | Railway Union | 1953 | 2 |
| 296 | Satchwell R. (GK) | Monkstown/Railway Union | 1957 to 1961 | 6 |
| 329 | O'Meara, Joey A. | Railway Union | 1970 to 1977 | 52 |
| 338 | Phelan, Jackie | Railway Union | 1973 | 6 |
| 493 | Carroll, Kenny | Railway Union | 2011 to 2012 | 17 |
| 526 | Duncan, Jeremy | UCD | 2014 to present | 2 |